@ABG79... Forgot to congratulate u on ur 5 grade 1 embies!! That is fantastic!! Bloody great effort
I've done the trigger (Pregnyl) during my last FET and I wasn't too happy about it.. Only because I know I can ovulate on my own and prefer to do so but they are the expert.. So I had to go along with it.
In my case, the reason why was because my LH:E2 ratio was too high. My lining was already 14.3mm by cd12 but my LH levels looked like I still had a few more days before ovulation.
This cycle, I started Vitex and my LH:E2 ratio was alot better and I was able to ovulate naturally.
It's a personal choice how u approach the FET- you just have to go through the motions as it comes. Not everyone has to trigger and even if u do have to, remember, its just like stimming. (Make sure u don't just inject urself with water like a lady on another thread did. She forgot to mix the water with the HCG and thought the water vial was the ready-to-use trigger). :O